MANNINGTON TWP.,. N.J. (WPVI) -- Firefighters battled a large fire at a medical office building in Salem County.
The blaze broke out at 4 a.m. Friday in Mannington Township.
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Crews arrived to find flames coming from the 2nd floor of the building, located in the unit block of Bypass Road.
The blaze spread quickly, heavily damaging the second floor and roof.
It took firefighters about an hour to get the upper hand.
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There were no reports of injuries.
Fire investigators are working to determine the cause.